Body mass index and risk of gastric cancer: a meta-analysis.

Epidemiology and Statistics, School of Public Health, Jilin University, Changchun.

2

School of Mathematics and Statistics, Northeast Normal University, Changchun.

3

Key Laboratory of Radiobiology (Ministry of Health), School of Public Health, Jilin University, Changchun, China.

4

Epidemiology and Statistics, School of Public Health, Jilin University, Changchun liuxin19890322@163.com.

Abstract

OBJECTIVE:

Overweight and obesity, indicated as increased body mass index, are associated with the risk of some cancers. We carried out a meta-analysis on published cohort and case-control studies to assess the strength of association between body mass index and gastric cancer.

METHODS:

Relevant studies were identified through PubMed, Web of Science and Medline electronic databases. Adjusted relative risks (odds ratios) with 95% confidence interval were used to assess the strength of association between body mass index and gastric cancer.

CONCLUSIONS:

The results indicated that obesity was associated with the risk of gastric cancer, especially for males and among non-Asians. Both overweight and obesity were associated with the risk of gastric cardia cancer.